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Adsorption Characteristics of Nitrate-nitrogen by Carbonaceous Material Prepared from Oak
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 Title & Authors
Adsorption Characteristics of Nitrate-nitrogen by Carbonaceous Material Prepared from Oak
Kim, Jeong-Ae; Cheong, Kyung-Hoon; Choi, Hyung-Il; Moon, Kyung-Do; Lee, Ho-Ryeong;
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 Abstract
The adsorption behavior of nitrate nitrogen was investigated from aqueous solution using char prepared from oak chip. The removal rate of nitrate nitrogen was found to be dependent on temperature and it is increased as the temperature increase. Adsorption equilibrium data of nitrate nitrogen on oak char. reasonably fitted Langmuir and Freundlich isotherm models. The adsorption energy obtained from D-R model was 12.5 kJ/mole at indicating an ion exchange process as primary adsorption mechanism. Thermodynamic parameters such as , , and were -23.76 kJ/mole, 26.1 kJ/mole and 89.7 J/K mole at , respectively, indicated that the nature of nitrate nitrogen adsorption is spontaneous and endothermic.
 Keywords
Oak char;Nitrate nitrogen;Adsorption;Adsorption isotherm;
 Language
Korean
 Cited by
1.
연안어장 준설퇴적물에 대한 질산염과 인산염의 흡착,선영철;김명진;송영채;

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2.
염화철 코팅 참나무 탄화물을 이용한 질산성질소 흡착 특성,김정애;정경훈;신대윤;최형일;윤지현;

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커피찌꺼기로 제조한 활성탄의 질산성질소 제거능,이부한;임두일;라덕관;

한국환경기술학회지, 2014. vol.15. 1, pp.19-24
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활성탄의 질산성질소 흡착에 대한 동역학적 해석,이부한;임두일;김성진;곽상호;정정조;라덕관;

한국환경기술학회지, 2014. vol.15. 4, pp.278-283
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